Portion of an opaque convertible roof



The sole FIGURE is a perspective view of a portion of an opaque convertible roof, showing our new design; the opposite view of the convertible roof is a symmetrically mirrored image of the figure shown.

The surfaces or portions of the article not shown in the drawing or described in the specification form no part of the claimed design.

The broken line showing of a portion of an automobile is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of an opaque convertible roof, as shown and described. 